1 files changed, 1 insertions, 1 deletions

diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index b5bbd57..e67a6e6 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -702,7 +702,7 @@ static int mb2_handle_send_file(mobilebackup2_client_t mobilebackup2, const char
 
         sent = 0;
         do {
-                length = ((total-sent) < sizeof(buf)) ? (uint32_t)total-sent : (uint32_t)sizeof(buf);
+                length = ((total-sent) < (long long)sizeof(buf)) ? (uint32_t)total-sent : (uint32_t)sizeof(buf);
                 /* send data size (file size + 1) */
                 nlen = htobe32(length+1);
                 memcpy(buf, &nlen, sizeof(nlen));